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    Fiber optic reel system
    2.
    发明授权
    Fiber optic reel system 有权

    公开(公告)号：US12124097B1

    公开(公告)日：2024-10-22

    申请号：US17677651

    申请日：2022-02-22

    Applicant: University of Rhode Island Board of Trustees ,  Nautilus Defense LLC

    Inventor： Brennan T. Phillips ,  James B. Owens, Jr.

    IPC: G02B6/44 ,  G02B6/38 ,  B33Y80/00

    CPC classification number: G02B6/4427 ,  G02B6/3816 ,  B33Y80/00

    Abstract: Systems and methods for tethering a fiber optic cable to an apparatus such as an unmanned underwater vehicle (UUV) or remotely operated vehicle (ROV). The cable is a bare or tight-buffered optical fiber surrounded by a braided sheath, and is constructed so that loads experienced by the cable are not transferred from the sheath to the optical fiber. This construction enables the cable to have good tensile strength but be sufficiently lightweight so that a commercial fishing reel or any similarly scaled lightweight/portable winch system can be used, instead of large specialized deployment equipment. A tube is inserted between the sheath and the optical fiber a certain distance from the end of the cable, and then the cable and tube are inserted into a housing which attaches to the apparatus and potted using an epoxy resin.

    Method for ablating or roughening wafer surfaces
    4.
    发明授权
    Method for ablating or roughening wafer surfaces 有权

    公开(公告)号：US11958739B2

    公开(公告)日：2024-04-16

    申请号：US17188985

    申请日：2021-03-01

    Applicant: University of Rhode Island Board of Trustees

    Inventor： Jason Rodger Dwyer ,  Y. M. Nuwan D. Y. Bandara ,  Brian Sheetz

    IPC: B81C1/00

    CPC classification number: B81C1/00547 ,  B81C1/00071 ,  B81C2201/0133 ,  B81C2201/0145

    Abstract: The present invention provides a simple method for ablating a protective thin film on a bulk surface and roughening the underlying bulk. In an embodiment, silicon nitride thin films, which are useful as etch-stop masks in micro- and nano-fabrication, is removed from a silicon wafer's surface using a hand-held “flameless” Tesla-coil lighter. Vias created by a spatially localized electron beam from the lighter allow a practitioner to perform micro- and nano-fabrication without the conventional steps of needing a photoresist and photolithography. Patterning could be achieved with a hard mask or rastering of the spatially confined discharge, offering—with low barriers to rapid use—particular capabilities that might otherwise be out of reach to researchers without access to conventional, instrumentation-intensive micro- and nano-fabrication workflows.

    System for elevated temperature, high pressure accelerated life testing using seawater
    7.
    发明授权
    System for elevated temperature, high pressure accelerated life testing using seawater 有权

    公开(公告)号：US11662298B1

    公开(公告)日：2023-05-30

    申请号：US17079027

    申请日：2020-10-23

    Applicant: University of Rhode Island Board of Trustees

    Inventor： Dillon T. Fontaine ,  Anthony D. Marshall ,  Arun Shukla

    IPC: G01N17/00 ,  G01N33/44

    CPC classification number: G01N17/002 ,  G01N33/44

    Abstract: An accelerated life testing (ALT) system for the pressurization of corrosive media, such as seawater, at high pressures and at elevated temperatures (up to about 70° C.) for extended periods of time. The interior of a pressure vessel is coated in an inert ceramic/epoxy coating that provides adequate corrosion protection from the corrosive media. A fabric reinforced nitrile diaphragm separates the corrosive media from hydraulic actuating media, such as oil. The hydraulic actuating media is pressurized, which deforms the diaphragm into the corrosive media, thereby increasing the pressure. The diaphragm and supplementary flouroelastomer seals isolate the corrosive media from pressure generating, monitoring, and safety equipment. The temperature of the entire vessel and contents is maintained by complete immersion in a heated, filtered water bath. The system is particularly useful for ALT experiments on components intended for sea floor and long term deep ocean environment operations at about 6000 psi (41.4 MPa).

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